# test case 1
./Grades 35 35 
# expected Component fail
# observed Fail	

# test case 2
./Grades 40 45
# expected Fail
# observed Fail

# test case 3
./Grades 60 70
# expected Pass
# observed Pass

# test case 4
./Grades 90 90
# expected Pass with distinction
# observed Pass with Distinction

# test case 5
./Grades 0 60
# expected Component Fail
# observed Fail

# test case 6
./Grades 101 101 
# expected Invalid entry
# observed no output.

# test case 7
./Grades 60 90
# expected Pass
# observed Pass
